The chicken promised for every pot is a very American bird.

He is best known for his popular works on North American birds.

The largest number of North American birds can be found here, over 220 species.

These are American birds, which at the time would not have been present in English collections.

Many people, this writer included, did not see the need for another guide to North American birds.

It is one of the first North American birds to lay eggs.

North American migrant birds live throughout the mountains during the warmer seasons.

The origin of this series of 76 American birds can be traced to 1935.

Provides information on the distribution and movements of North American birds.

It is about a South American bird who can carry two cans of paint on its enormous bill.